update: add dedicated exception class

src/Exceptions/CannotExtractCurrencyException.php

@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+namespace ArchTech\Money\Exceptions;
+
+use Exception;
+
+class CannotExtractCurrencyException extends Exception
+{
+    public function __construct(string $message)
+    {
+        parent::__construct($message);
+    }
+}

src/PriceFormatter.php

@@ -4,6 +4,8 @@ declare(strict_types=1);
 
 namespace ArchTech\Money;
 
+use ArchTech\Money\Exceptions\CannotExtractCurrencyException;
+
 class PriceFormatter
 {
     /** Format a decimal per the currency's specifications. */
@@ -53,13 +55,13 @@ class PriceFormatter
                 && str_ends_with($formatted, $currency->suffix())
             ) {
                 if ($possibleCurrency) {
-                    throw new \Exception('Multiple currencies are using the same prefix and suffix. Please specify the currency of the formatted string.');
+                    throw new CannotExtractCurrencyException('Multiple currencies are using the same prefix and suffix. Please specify the currency of the formatted string.');
                 }
 
                 $possibleCurrency = $currency;
             }
         }
 
-        return $possibleCurrency ?? throw new \Exception('None of the currencies are using the prefix and suffix that would match with the formatted string.');
+        return $possibleCurrency ?? throw new CannotExtractCurrencyException('None of the currencies are using the prefix and suffix that would match with the formatted string.');
     }
 }